Ultrarunning, ultramarathon news and events

2025 Arc of Attrition by UTMB

Arc of Attrition by UTMB

Photos courtesy Keziah Piercy

The 2025 UTMB World Series kicked off with a thrilling new ultrarunning event: the Arc of Attrition by UTMB. Held from January 24-26, Cornwall’s well-established race which showcases the rugged beauty of the Southwest Coast Path saw 1180 runners tackled three distances: the Arc 100 (100 miles), Arc 50 (100k), and Arc 25 (50k), experiencing the raw splendor and technical challenges of this iconic trail.

Arc of Attrition by UTMB
Photos courtesy Keziah Piercy

The event attracted top-tier athletes and saw course records fall. Tom Evans (GBR) (UTMB Index 914) and Eleanor Davis (GBR)(UTMB Index 745) dominated the Arc 50 with impressive times of 6:54:40 and 7:55:48, respectively.

The shorter Arc 25 proved to be a fast and furious affair, with runners finishing much earlier than anticipated. Kristian Jones (GBR)(UTMB Index 887) blazed through the course in 2:41:25, taking the men’s title, while Sara Alonso (ESP)(UTMB Index 782) won the women’s race in a remarkable 3:04:55.

In the grueling Arc 100, Lewis Ryan (UTMB Index 772), the 2024 Arc 50 champion, stepped up to win in a dominant 19:22:35. Noor Van Der Veen (NLD)(UTMB Index 644) also delivered a stellar performance, taking the women’s victory in 22:30:44.

Arc of Attrition Race results: Click here
Facebook: Arc of Attrition by UTMB
UTMB World Series website

Arc of Attrition 50 winner Tom Evans
Tom Evans – Photos courtesy Keziah Piercy